Building controller



FIG. 1 is a front elevation view of a first embodiment of the building controller showing our new design wherein all features shown are in a single plane and perpendicular to the line of sight. The broken line disclosure of the circular indicators at the bottom of the panel are shown for illustrative purposes only and form no part of the claimed design; and,

FIG. 2 is a front elevation view of a second embodiment of the building controller showing our new design wherein all features shown are in a single plane and perpendicular to the line of sight. 

CLAIM The ornamental design for a building controller, as shown and described. 